Title :
Compact carbon monoxide sensor using a continuously tunable 2.3 μm single-mode VCSEL
Author :
Chen, J. ; Hangauer, A. ; Strzoda, R. ; Ortsiefer, M. ; Fleischer, M. ; Amann, M.-C.
Author_Institution :
Walter Schottky Inst., Tech. Univ. Munchen, Garching
Abstract :
A novel compact sensor approach utilizing the wide current tunability of VCSELs with reference gas in the photodetector is reported. This inherent spectral self-calibrating technique is demonstrated with the first carbon-monoxide sensor at 2.3 mum.
Keywords :
carbon compounds; chemical sensors; laser beam applications; optical sensors; surface emitting lasers; CO; carbon monoxide sensor; photodetector; single-mode VCSEL; spectral self-calibrating technique; wavelength 2.3 mum; Absorption; Gas detectors; Gas lasers; Laser tuning; Optical sensors; Photodetectors; Sensor systems; Surface emitting lasers; Tunable circuits and devices; Vertical cavity surface emitting lasers; 140.7260 (Vertical cavity surface emitting lasers); 300.6260 (Spectroscopy, diode lasers);
Conference_Titel :
IEEE Lasers and Electro-Optics Society, 2008. LEOS 2008. 21st Annual Meeting of the
Conference_Location :
Acapulco
Print_ISBN :
978-1-4244-1931-9
Electronic_ISBN :
978-1-4244-1932-6
DOI :
10.1109/LEOS.2008.4688822
